# 实战1 千年虫是什么虫
lst = [88,89,90,98,00,99]

for i in range(len(lst)):
    if str(lst[i]) == '0':
        lst[i]  = '200'+str(lst[i])
    else :
        lst[i] = '19'+str(lst[i])

print(lst)

for index,item in enumerate(lst):
    if str(item) == '0':
        item = '200' + str(item)
    else:
        item = '19' + str(item)
print(lst)
